On Fri, Sep 05, 2014 at 11:19:35AM +0200, Piet Plomp wrote: > > Hi Iustin, > > On 2014-09-04 19:11, Iustin Pop wrote: > [...] > > > > Just another datapoint: this is different from my case. No new users > > created, randomly new files get -1 for a while, after which the correct > > UID is listed. > > No, this is not different: all new users get new files, which have never > been served by the nfs server before. With me, "a while" might last > forever for some identities.
I still don't understand what "new users" mean - as I said, I don't have new users. > When I create files or dirs, they may be owned by the infamous -2 > (4294967294), regardless _where_ I created them (i.e. through nfs or > locally on the filesystem. Exactly. > You report that after a while the currect uid and gid are listed. Same for > me, but sadly not always, some identities get stuck on 4294967294 > "forever". > > I'm curious if we have any differences in our setups: > - Do you also have a mixture of wheezy and jessie systems? Is your nfs > server also on a wheezy system? Are your clients both jessie and wheezy > systems? Only sid (unstable) clients. Server and some clients run custom (upstream) kernels, some clients run sid kernel. > - Did you see any changes in the behaviour of the wheezy clients after > the jessie clients mounted? I don't have wheezy clients, so N/A. > - Do you have inet6 entries in /etc/netconfig enabled on the jessie > clients (which is the default)? Yes. > - Did you change /etc/idmapd.conf? Yes. I tried to add static mappings for some users, but it didn't have any positive effect. > - Did you change or add any files in /etc/request-key.d/ ? (small test: > rename the id_resolver file, and suddenly _all_ identities are > 4294967294) No. > - Is the serving filesystem XFS formatted? Interestingly, yes. Only XFS. > - Is NIS involved? Or LDAP? (A small test by copying the passwd, shadow > and group entries to the client system: everything is ok). No. Only 'compat' nssswitch entries. > - Do you use nsswitch to resolve identities (uid/gid)? I don't understand - nsswitch is always used. Did you mean what nsswitch configuration do I have? If so, it's just 'compat'. > - Does your client run a name service caching daemon (nscd or unscd)? No. > - Did you see nobody/nogroup (65534/65534) identities too? Yes. > Just to make sure: this is nfs v4 (v4.0) only. Mounting with nfs version 3 > over tcp works fine. Not using anything but kerberised nfs v4. regards, iustin
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